Planoohaph co



N. V. HAUGHTON.

EXCAVAUNG MACHINE. APPLICATION FILED mu. :6. 191a.

Patented Out. 28, 1919.

vmdo'o Nathaniel V. Haughcon- THE COLUMB'IA Pumbamwfl c0., WASHINGTON, D. c.

N. V. HAUGHTON.

EXCAVATING MACHINE.

APPLICATION FILED JAN-16.1918.

2 SHEETS-SHEET 2.

1,320,328. Patented Oct. 28, 1919.

Nathaniel V Haughion.

w/ QVW NATHANIEL V. HAUGI-ITON, OF ALAMEDA, CALIFORNIA.

EXCAVATING-MACHINE.

Specification of Letters Patent.

Patented oer. as, rare.

Application-filed Januar 16, 1918. Serial No. 212,022.

To all whom z't may concern Be it known that I, NATHANIEL V. HAUGH- 'TON, citizen of the United States, residing at Alameda, inthe county of Alameda and State of California, have invented certain new and useful Improvements in Excavat ing-Mabhines, of which the following is a specification.

This-invention is an improved excavating machine particularly useful for road grading and irrigation ditch digging.

In this specification and the annexed drawings,' I disclose myinvention in the form which I consider the best, but I do not limit my invention to suchzform because it may be embodied in other forms and it is to be understood that in and by the claims following the description herein I intend to cover my invention in whatever form it may be embodied.

Referring to the drawings: 7 Fi "ire; 1 is aside elevation of my invenn-f I Fig. 2 is afplan view thereof.

Fig.3 is a sectional vievvtaken on line 3+3 of Fig. 2. c

Fig. 4' is a transverse sectional View taken on line 4 4 of Fig.1

' Fig. 5 isa fragmentary 'crosssection of the excavator on line 5 of Fig. 1 illustrating the elevator mounting means.

Fig. 6 is a cross section of the excavator also on line 5'of Fig. 1 illustrating the scarifier mounting means.

In thedrawing, lindicate's a truck including a body 2, raiiwhee'lsi; and front wheels 4, the axle 5 of said front wheels being'pivoted by king bolt 6 to the front end of said body; Draft means 7 are connected to the front axle 5 by couplings 8. The body 2 is provided 'with'a slot 9 which re ceives a rectangular scoop and elevator frame 10 which frame is pivoted at its forward end to the body 2'by pivots 11. The rear end member 12 is pivoted at its ends by pins 13 to the side members of the frame 10 so'that it may rock. j j V A screwj 14 exten'ds'downwardly" through the rear frame member 12 and is connected by ba ll and socket? joint 15 to cross beam 16 of the truck body. The frame member 12 is provided with a slot 17 which receives a nut 18 which engages the screw 14. A hand wheel 19 issecured to the upperend of the screw 14. scoop-or shovel 20" issecured at the upper part of its rear wall 21 to the member 12 of the scoop and elevator frame 10. An elevator 25 is provided for elevating the dirt from the scoop 20. Said elevator includes a frame 26, lower and upper sprockets 27 and 28 journaled respectively in the lower and upper ends of said frame, chains 29 traveling over and engaging said sprockets, and buckets 30 secured to said chains. The elevator is pivotally mounted on the scoop and elevator frame 10 by shaft 31 .and bearings 32and 33 through which said shaft'extends, said bearings being respectively secured to the frame 10 and the elevator frame 26. Collars 35 surround the shaft 31 adjacent the bearings 33 and set screws 36 in said collars engage the shaft 31 and hold the collars rigid on said shaft so as to engage the bearings 33 and'hold the shaft 31 in its bearings. Braces 40 connect theelevator frame 26 and the side members of the scoop and elevator frame 10 and hold the elevator in a forwardly inclinedposition. The brace rods are made in two sections, threaded at their adjacent ends and engaged by turnbu'ckles 41, whereby the rods may be extended and shortened and the in clination of the elevator adjusted. The lower end of the elevator extends into the scoop 20 so that its buckets 80 take up the dirt completely from the scoop. The lower sprockets 27 are secured to shaft 42 journaled in the lower end of the elevator frame 26. The upper sprockets 28 are secured to a shaft 43 journaled in the upper end of the elevator frame 26. A shaft 45 extending transversely of the truck frame and scoop and elevator frame 10 is journaled in bearings 46 on the truck frame 2 at the sides thereof, on which shaft is secured sprocket 47 and pulley 48. A chain 49 extends over sprocket 47 and over a sprocket 51011 the elevator sprocket shaft 48. An engine, preferably a gas engine is mounted on the rear of the truck frame 2, 011 the driveshaft -of which is secured a pulley 56. A belt 57 passes over the pulleys 56 and 48. A conveyor 60 is mounted on a turntable 61 on the front part of the truck frame 2. Said conveyer includes a frame 62, a drive pulley 63 journaled in'the lower end of said frame, an idler pulley 64 j ournaled in the upper end of said frame and a conveyer belt 65 passing over said pulleys. The lower end of the conveyer frame 62 is pivotally mounted in the upper end of turntable bracket 61 on pivot 64. Braces 65 (Fig. 4:) are connected at their extremities to the turntable 61 and to the upper portion of the conveyer frame 62 which hold the conveyer in an upwardly and forwardly inclined position. Said braces are made in two sections threaded on their adjacent ends and engaged by turnbuckle 66 by means of which said braces may be ex tended and shortened and the inclination of the conveyer 60 adjusted. A shaft 70 extending transversely under the forward part of the truck frame 2 is journ aled in bearings 71 depending from the truck frame 2. A worm 72 is secured on the shaft ('0 which meshes with a worm gear 7 3 secured on the lower end of vertical shaft 74 journaled in turntable bearing 75 coaxial with the turntable 61, and on the upper end of said shaft is secured a beveled gear 76 in mesh with a beveled pinion 77 on shaft 78 extending diametrically of the turntable and journaled in bearings in the turntable bracket 61. The conveyer pulley 63 is secured on a shaft 79 suitably journaled in the lower end of the conveyer frame 62. Sprockets 80 and 81 are respectively secured on the outer ends of shafts 78 and 79 and a chain 82 travels over said sprockets. Sprockets 85 and 86 are respectively secured on the outer ends of shafts 70 and 4:5 and a chain 87 passes over said sprockets. A dirt breaking element which may be in the form of a scarifier 90 is provided in front of the scoop 20 for breaking up the dirt to be scooped up by the scoop. The scarifier is mounted on the frame 2 by means of scarifier frame 91 and bearings 92 on the frame 2 in which bearings the upper arm members of the scarifier frame 91 are mounted to move upwardly and downwardly to raise and lower the scarifier. On the upper arm members of the scarifier frame 91 are racks 93 engaged by ,pinions 94 on shaft 95 extending transversely under, the truck frame 2 and journaled in bearings 96 depending from the truckframe. A worm gear 97 on the shaft 95 meshes with a worm 98 on shaft 99 journaled in bearings 100 and 101 on the truck frame 2. Collars 102 and 108 are secured to the shaft 99 adjacent the respective ends of the bearing 101 to hold the shaft 99 journaled in proper position and the worm 98 in engagement with worm gear 93. A hand wheel is secured on the rear end of shaft 99 for turning said shaft and raising The conveyer 60 is driven by the engine 55 through the medium of the elevator driving means and the sprocket 86, chain 87, sprocket 85, worm 72, worm. gear 7 3, beveled gear 76, beveled pinion 77, sprocket 80, chain 81 and sprocket 82.

The conveyer 60 maybe turned on its turntable into position so that it will deliver the dirt to either side of the excavator or to the front thereof.

Having described my invention, I claim as new and desire to secure by Letters Patent:

1. An excavating machine comprising a draft frame, traction, wheels for the frame, a second frame pivoted at one end to said draft frame and having a scoop depending from the opposite end portion thereof, means supporting andfor adjusting the said opposite end of the second frame. relatively to the draft frame, a third frame pivoted at an intermediate portion thereof in the second frame and having one endprojecting into said scoop, an endless elevator means traveling over said third frame, and means on the draft frame for receiving material from the other end of said third frame.

2. An excavating machine comprising a draft frame, traction wheels for the frame, a second frame pivoted on said draft frame and having a scoopdepending therefrom, means for adjusting said second frame relatively to the draft frame, a third frame adjustably mounted on the second frame and having one end projecting into the scoop, an endless elevator means traveling over said third frame, means for adjusting the third frame relatively to the draft frame inclependently of the adjustment of said second frame, and means on thedraft frame for receiving material from the elevator means.

8. An excavatlng machine comprislng a 'draft frame, a second frame vertically adjustable on the draft frame and having a scoop depending therefrom, a third frame adjustably mounted on the second frame and movable to varying inclined positions, and an endless elevator means traveling over said third frame and having one end associated with thescoop to receive material therefrom, the adjustability of the third frame being independent of the adjustment of the second frame. i

4. In an excavating machine and in combination a draft frame, a scoop depending from a rear portion of the frame, a toothed earth breaking element depending from the frame and in advance of said scoop, a con:

veying means pivotedon the front end of the frame to swing from side to side of the latter, another frame mounted on the draft frame and movable to varying inclined positions, an endless elevator means traveling over said other frame and havingone end associated with the scoop to receive material vertically adjusting the scoop relatively to the draft frame, a toothed earth breaking implement depending from the frame and in advance of the scoop means for independently vertically adjusting said earth breaking implement relatively to the frame,

a conveyer pivotally mounted on the front portion of the frame and adapted to swing from side to side of the latter, another frame mounted on the draft frame and movable to varying inclined positions independently of the adjustments of the scoop and the toothed implement, an endless elevator traveling over said other frame and having one end associated With the scoop to receive 1na-- terial therefrom While its other end is as sociated With the conveyer to deposit the material'on the latter, and power means on the draft frame having operative connection for actuating said elevator and conveyer.

In testimony whereof I my signature.

NATHANIEL V. HAUGHTON.

Copies 01' this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

